When an address is incorrect or undeliverable, it costs businesses time, money, and customers. It also can hurt a company's reputation. This is why it's important to have a proper address validation API in place to prevent errors in the first place and to ensure that your products and mail are delivered to the correct addresses.
A properly functioning address verification API can validate and verify the accuracy of a customer's address while helping to improve and enrich data,
reduce cart abandonment rates and enhance the customer experience. An effective address checker api will do more than just verify that the location exists and can provide additional information like latitude/longitude coordinates, country, and state code.
In addition to verifying that an address exists, a good address checker api will normalize the data, which means replacing common roadway identifiers such as street and parkway with their standard abbreviations (St vs St, Pkwy vs Pkwy). It should also return the real-world address and can include elements from the original input.
It should also be able to handle different types of addresses, including international addresses. It should have a configurable list of countries and their specific S42 templates, which contains a description of how each country formats its address components. The address lookup api should also be able to return the correct building number and unit when it's available.
Finally, it's important to find an API that has a robust database and is regularly updated. A good address checker api will have a dedicated team of data engineers to keep the database up to date. Choosing a solution that updates its records often will prevent businesses from sending out mail to obsolete or undeliverable addresses, which can cost them valuable customers.
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